Left and Right Sum Differences

class Solution(object):
    def leftRightDifference(self, nums):
        lefts=0
        total=sum(nums)
        array=[]
        if(len(nums)==1):
            array.append(0)
            return(array)
        else:
            for i in range(len(nums)):
                total=total-nums[i]
                array.append(abs(total-lefts))
                lefts=lefts+nums[i]
            return(array)